Pith Number

pith:ORATQWI6

pith:2020:ORATQWI6QD67XJIIVSO5FRWEWR

not attested not anchored not stored refs pending

An early warning tool for predicting mortality risk of COVID-19 patients using machine learning

Amith Khandakar, Hanadi Hassen, Mohammad T. Islam, Muhammad E. H. Chowdhury, Somaya Al-Madeed, Suhail A. R. Doi, Susu M. Zughaier, Tawsifur Rahman

arxiv:2007.15559 v1 · 2020-07-29 · q-bio.QM · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ORATQWI6QD67XJIIVSO5FRWEWR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T01:23:31.917083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

744138591e80fdfba508ac9dd2c6c4b46092aeb4401ff5b7000ec189206c2823

Aliases

arxiv: 2007.15559 · arxiv_version: 2007.15559v1 · doi: 10.48550/arxiv.2007.15559 · pith_short_12: ORATQWI6QD67 · pith_short_16: ORATQWI6QD67XJII · pith_short_8: ORATQWI6

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/ORATQWI6QD67XJIIVSO5FRWEWR \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 744138591e80fdfba508ac9dd2c6c4b46092aeb4401ff5b7000ec189206c2823

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa5533d0c330581688e9a153d1c5198b4aac7efd19f3e98a7a9473aaf20d1d45",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2020-07-29T15:16:09Z",
    "title_canon_sha256": "52ddeb5808b69b63bcf0b7618917a56accc873c7fc0c0b5555c2b996791ec786"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.15559",
    "kind": "arxiv",
    "version": 1
  }
}